Tricycle



FIG. 1 is a perspective view of a tricycle illustrating our new design;

FIG. 2 is a right view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a front view thereof.

The broken lines in the drawings illustrate portions of the tricycle that forms no part of the claimed design. 

CLAIM The ornamental design for a tricycle, as shown and described. 